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Dif. MTRR WC setting behavior under v86-question for Japheth (Developers)

posted by RayeR(R) Homepage, CZ, 01.01.2019, 23:10

> You could try to use HDPMI instead of the DOS4GW DPMI host and see if that
> makes any difference. HDPMI doesn't set the "write through" or "cache
> disable" page table bits for DPMI function 0800h (map physical device).

OK, how can I do it? Is it enough to load HDPMI permanently with -r ? Or do I need to modify game stub code?

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DOS gives me freedom to unlimited HW access.

 

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